1 I have been learning English for 7 years.
2 I didn't work, my marks aren't good.
3 will be better
4 was revising
5 My brother resembles
6 Why are you running?
7 Lenny found a horse, which had disappeared.
8 I am styling, my brother is cutting. (тут нет указания на время, поэтому это может быть настоящее продолженное или прошедшее продолженное: I was styling, my brother was cutting)
9 Have you memorized the words for the test yet?-No, I'll be learning them all day long tomorrow.